Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 4 mA. 2 mA. 3 mA. 1 mA. 4 mA. 2 mA. 3 mA. 1 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 31.4. 25.4. 54.2. 20. 31.4. 25.4. 54.2. 20. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 6.09 A. 2.03 A. 5 A. 4.06 A. 6.09 A. 2.03 A. 5 A. 4.06 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of both A and B. resistance of shunt. resistance of shunt winding. resistance of ammeter. both A and B. resistance of shunt. resistance of shunt winding. resistance of ammeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Sine of the measurand Measurand Square of the measurand Sine inverse of measurand Sine of the measurand Measurand Square of the measurand Sine inverse of measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 600∠-150° ohm. 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. 600∠-150° ohm. 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. ANSWER DOWNLOAD EXAMIANS APP
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